Overview
Mio Dam Generating Substation is an operational electrical substation in Michigan, USA, owned and operated by Consumers Energy. It operates at 138 kV, supporting regional grid stability.
Mio Dam Generating Substation is an operational electrical substation located in Michigan, United States. Owned and operated by Consumers Energy, the facility plays a key role in the regional power grid by stepping up voltage from the adjacent hydroelectric generation for transmission. The substation operates at 138 kV, a common voltage level for sub-transmission and distribution in North America. As part of the US electrical infrastructure, this substation adheres to NERC reliability standards and FERC regulations for grid stability. The 138 kV voltage level indicates it serves as a critical node connecting local generation to the broader transmission network. In Michigan, such substations are essential for integrating renewable energy sources and maintaining supply to rural and urban areas. Located in a rural area near the Mio Dam on the Au Sable River, the substation supports hydroelectric power delivery to surrounding communities. Its operation under Consumers Energy ensures compliance with state and federal grid codes, contributing to the reliability of Michigan's energy mix. The facility's age and equipment condition are typical for mid-20th century infrastructure, with ongoing maintenance to meet modern standards.
Environmental context
The substation is situated in a forested region near the Au Sable River, a coldwater fishery. Its operation supports hydroelectric generation, which has low carbon emissions but can affect local aquatic ecosystems through flow regulation. The 138 kV lines traverse natural habitats, requiring vegetation management to prevent outages while minimizing ecological disruption.
Frequently asked questions
Mio Dam Generating Substation is located in Michigan, United States, near the Mio Dam on the Au Sable River. Its coordinates are approximately 44.66°N, -84.13°W.
Mio Dam Generating Substation operates at 138 kV, a standard voltage for sub-transmission and distribution in the US electrical grid.
The substation is owned and operated by Consumers Energy, a major utility in Michigan providing electricity and natural gas to customers.
As part of the US electrical infrastructure, the substation must comply with NERC reliability standards and FERC regulations for grid stability and security.
The substation steps up voltage from hydroelectric generation at Mio Dam, connecting it to the transmission network and ensuring reliable power delivery to the region.